n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | -1 |
4 | -3 |
5 | -7 |
6 | -14 |
7 | -25 |
8 | -41 |
9 | -64 |
10 | -100 |
11 | -165 |
12 | -294 |
13 | -550 |
14 | -1023 |
15 | -1795 |
16 | -2823 |
17 | -3658 |
18 | -2882 |
19 | 2873 |
20 | 20435 |
21 | 62185 |
22 | 148863 |
23 | 314008 |
24 | 613957 |
25 | 1155794 |
26 | 2175823 |
27 | 4244026 |
28 | 8753538 |
29 | 19006490 |
30 | 42471787 |
31 | 95234575 |
32 | 210395407 |
33 | 453413866 |
34 | 949508390 |
35 | 1931939460 |
[1,0,0,-1,-3,-7,-14,-25,-41,-64,-100,-165,-294, -550,-1023,-1795,-2823,-3658,-2882,2873,20435, 62185,148863,314008,613957,1155794,2175823, 4244026,8753538,19006490,42471787,95234575, 210395407,453413866,949508390,1931939460] |